Java书上习题.doc

（1）package ch4;import org.eclipse.swt.layout.GridLayout;import org.eclipse.swt.graphics.Point;import org.eclipse.swt.widgets.MessageBox;import org.eclipse.swt.widgets.Shell;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.layout.FillLayout;import org.eclipse.swt.widgets.Button;import org.eclipse.swt.SWT;import org.eclipse.swt.graphics.Rectangle;public class P63 private Shell sShell = null;private Button button = null;/* * param args */public static void main(String args) / TODO 自动生成方法存根/* Before this is run, be sure to set up the launch configuration (Arguments-VM Arguments) * for the correct SWT library path in order to run with the SWT dlls. * The dlls are located in the SWT plugin jar. * For example, on Windows the Eclipse SWT 3.1 plugin jar is: * installation_directorypluginsorg.eclipse.swt.win32_3.1.0.jar */Display display = Display.getDefault();P63 thisClass = new P63();thisClass.createSShell();thisClass.sShell.open();while (!thisClass.sShell.isDisposed() if (!display.readAndDispatch()display.sleep();display.dispose();/* * This method initializes sShell */private void createSShell() sShell = new Shell();sShell.setText(Shell);sShell.setSize(new Point(300, 200);sShell.setLayout(null);button = new Button(sShell, SWT.NONE);button.setBounds(new Rectangle(78, 54, 65, 33);button.setText(确定);button.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) MessageBox box=new MessageBox(sShell,SWT.ICON_INFORMATION|SWT.Close); box.setText(Java课堂！); int a =new int100; for(int n=0;na.length;n+) an=n+1; String s=; int k=0; for(int n=0;nVM Arguments) * for the correct SWT library path in order to run with the SWT dlls. * The dlls are located in the SWT plugin jar. * For example, on Windows the Eclipse SWT 3.1 plugin jar is: * installation_directorypluginsorg.eclipse.swt.win32_3.1.0.jar */Display display = Display.getDefault();P64 thisClass = new P64();thisClass.createSShell();thisClass.sShell.open();while (!thisClass.sShell.isDisposed() if (!display.readAndDispatch()display.sleep();display.dispose();/* * This method initializes sShell */private void createSShell() sShell = new Shell();sShell.setText(Shell);sShell.setSize(new Point(300, 200);sShell.setLayout(null);label = new Label(sShell, SWT.NONE);label.setBounds(new Rectangle(9, 3, 211, 44);label.setText(原数据：);label1 = new Label(sShell, SWT.NONE);label1.setBounds(new Rectangle(8, 53, 212, 48);label1.setText(排序后：);button = new Button(sShell, SWT.NONE);button.setBounds(new Rectangle(23, 114, 75, 42);button.setText(重置);button.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) for(int i=0;inum.length;i+) numi=(int)(Math.random()*90)+10; for(int j=0;ji;j+) if(numi=numj) i=i-1;break; String ss=原数据： ; for(int i=0;i0;i-) max=0; for(int j=1;j=i;j+) if(nummaxnumj) max=j; temp=numm